Added s390x and ppc64le support

backend/Dockerfile

@@ -1,3 +1,4 @@
+
 # Copyright 2021-2022 The Kubeflow Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -36,9 +37,15 @@ RUN python3 -m pip install -r requirements.txt --no-cache-dir
 # Downloading Argo CLI so that the samples are validated
 ENV ARGO_VERSION v3.4.17
 RUN curl -sLO https://github.com/argoproj/argo-workflows/releases/download/${ARGO_VERSION}/argo-linux-amd64.gz && \
-    gunzip argo-linux-amd64.gz && \
-    chmod +x argo-linux-amd64 && \
-    mv ./argo-linux-amd64 /usr/local/bin/argo
+#Support s390x and ppc64le
+RUN ARCH=$(uname -m); \
+    if [ "$ARCH" = "x86_64" ]; then \
+        ARCH="amd64"; \
+    fi \
+    && curl -sLO https://github.com/argoproj/argo-workflows/releases/download/${ARGO_VERSION}/argo-linux-${ARCH}.gz && \
+    gunzip argo-linux-${ARCH}.gz && \
+    chmod +x argo-linux-${ARCH} && \
+    mv ./argo-linux-${ARCH} /usr/local/bin/argo
 
 WORKDIR /
 COPY ./samples /samples

backend/Dockerfile.driver

@@ -1,3 +1,4 @@
+
 # Copyright 2023 The Kubeflow Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -17,7 +18,12 @@ FROM golang:1.21.7-alpine3.19 as builder
 WORKDIR /go/src/github.com/kubeflow/pipelines
 COPY . .
 
-RUN GO111MODULE=on CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -tags netgo -ldflags '-extldflags "-static"' -o /bin/driver ./backend/src/v2/cmd/driver/*.go
+RUN ARCH=$(uname -m) && \
+    if [ "$ARCH" = "x86_64" ]; then \
+        ARCH="amd64"; \
+    fi && \
+    GO111MODULE=on CGO_ENABLED=0 GOOS=linux GOARCH=$ARCH go build -tags netgo -ldflags '-extldflags "-static"' -o /bin/driver ./backend/src/v2/cmd/driver/*.go
+
 
 # Check licenses and comply with license terms.
 RUN ./hack/install-go-licenses.sh

backend/Dockerfile.launcher

@@ -1,3 +1,4 @@
+
 # Copyright 2023 The Kubeflow Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -17,7 +18,11 @@ FROM golang:1.21.7-alpine3.19 as builder
 WORKDIR /go/src/github.com/kubeflow/pipelines
 COPY . .
 
-RUN GO111MODULE=on CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -tags netgo -ldflags '-extldflags "-static"' -o /bin/launcher-v2 ./backend/src/v2/cmd/launcher-v2/*.go
+RUN ARCH=$(uname -m) && \
+    if [ "$ARCH" = "x86_64" ]; then \
+        ARCH="amd64"; \
+    fi && \
+    GO111MODULE=on CGO_ENABLED=0 GOOS=linux GOARCH=$ARCH go build -tags netgo -ldflags '-extldflags "-static"' -o /bin/launcher-v2 ./backend/src/v2/cmd/launcher-v2/*.go
 
 # Check licenses and comply with license terms.
 RUN ./hack/install-go-licenses.sh

backend/Makefile

@@ -4,6 +4,7 @@ CSV_PATH=backend/third_party_licenses
 
 # Container Build Params
 CONTAINER_ENGINE ?= docker
+PLATFORMS ?= linux/amd64,linux/s390x,linux/ppc64le
 IMG_TAG_APISERVER         ?= apiserver
 IMG_TAG_PERSISTENCEAGENT  ?= persistence-agent
 IMG_TAG_CACHESERVER       ?= cache-server
@@ -66,25 +67,25 @@ image_all: image_apiserver image_persistence_agent image_cache image_swf image_v
 
 .PHONY: image_apiserver
 image_apiserver:
-	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} build -t ${IMG_TAG_APISERVER} -f backend/Dockerfile .
+	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} buildx build --platform $(PLATFORMS) -t ${IMG_TAG_APISERVER} -f backend/Dockerfile --push .
 .PHONY: image_persistence_agent
 image_persistence_agent:
-	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} build -t ${IMG_TAG_PERSISTENCEAGENT} -f backend/Dockerfile.persistenceagent .
+	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} buildx build --platform $(PLATFORMS) -t ${IMG_TAG_PERSISTENCEAGENT} -f backend/Dockerfile.persistenceagent --push .
 .PHONY: image_cache
 image_cache:
-	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} build -t ${IMG_TAG_CACHESERVER} -f backend/Dockerfile.cacheserver .
+	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} buildx build --platform $(PLATFORMS) -t ${IMG_TAG_CACHESERVER} -f backend/Dockerfile.cacheserverbuildx build --platform $(PLATFORMS)
 .PHONY: image_swf
 image_swf:
-	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} build -t ${IMG_TAG_SCHEDULEDWORKFLOW} -f backend/Dockerfile.scheduledworkflow .
+	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} buildx build --platform $(PLATFORMS) -t ${IMG_TAG_SCHEDULEDWORKFLOW} -f backend/Dockerfile.scheduledworkflow --push .
 .PHONY: image_viewer
 image_viewer:
-	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} build -t ${IMG_TAG_VIEWERCONTROLLER} -f backend/Dockerfile.viewercontroller .
+	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} buildx build --platform $(PLATFORMS) -t ${IMG_TAG_VIEWERCONTROLLER} -f backend/Dockerfile.viewercontroller --push .
 .PHONY: image_visualization
 image_visualization:
 	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} build -t ${IMG_TAG_VISUALIZATION} -f backend/Dockerfile.visualization .
 .PHONY: image_driver
 image_driver:
-	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} build -t ${IMG_TAG_DRIVER} -f backend/Dockerfile.driver .
+	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} buildx build --platform $(PLATFORMS) -t ${IMG_TAG_DRIVER} -f backend/Dockerfile.driver --push .
 .PHONY: image_launcher
 image_launcher:
-	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} build -t ${IMG_TAG_LAUNCHER} -f backend/Dockerfile.launcher .
+	cd $(MOD_ROOT) && ${CONTAINER_ENGINE} buildx build --platform $(PLATFORMS)-t ${IMG_TAG_LAUNCHER} -f backend/Dockerfile.launcher --push .

backend/api/Dockerfile

@@ -1,3 +1,4 @@
+
 # Copyright 2021 The Kubeflow Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -23,7 +24,8 @@ ENV GOBIN=/go/bin
 
 # Install protoc.
 RUN apt-get update -y && apt-get install -y jq sed unzip
-RUN curl -L -o protoc.zip https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-x86_64.zip
+RUN ARCH=$(uname -m); \
+    && curl -L -o protoc.zip https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-${ARCH}.zip
 RUN unzip -o protoc.zip -d /usr/ bin/protoc
 RUN unzip -o protoc.zip -d /usr/ 'include/*'
 RUN rm -f protoc.zip
@@ -41,8 +43,26 @@ RUN go install github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway@la
 RUN go install github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger@latest
 
 # Download go-swagger binary.
-RUN curl -LO "https://github.com/go-swagger/go-swagger/releases/download/${GO_SWAGGER_VERSION}/swagger_linux_amd64"
-RUN chmod +x swagger_linux_amd64 && mv swagger_linux_amd64 /usr/bin/swagger
+#building go-swagger binary for s390x and ppc64le since pre built binaries are not available for these platforms
+RUN /bin/sh -c ARCH=$(uname -m) && \
+    if [ "$ARCH" = "x86_64" ]; then \
+        ARCH="amd64" && \
+        curl -LO "https://github.com/go-swagger/go-swagger/releases/download/${GO_SWAGGER_VERSION}/swagger_linux_${ARCH}" && \
+        chmod +x swagger_linux_${ARCH} && \
+        mv swagger_linux_${ARCH} /usr/bin/swagger; \
+    else \
+        dir=$(mktemp -d) && \
+        git clone https://github.com/go-swagger/go-swagger "$dir" && \
+        cd "$dir" && \
+        git checkout v${GO_SWAGGER_VERSION} && \
+        LDFLAGS="-s -w -X github.com/$GITHUB_REPOSITORY/cmd/swagger/commands.Commit=${GITHUB_SHA}"; \
+        LDFLAGS="$LDFLAGS -X github.com/$GITHUB_REPOSITORY/cmd/swagger/commands.Version=${GITHUB_REF_NAME-dev}"; \
+        out="swagger_linux_$ARCH"; \
+        GOOS=linux GOARCH=$ARCH CGO_ENABLED=0 go build -ldflags "$LDFLAGS" -o "./dist/bin/$out" ./cmd/swagger; \
+        mv "./dist/bin/$out" /usr/bin/swagger && \
+        cd / && \
+        rm -rf "$dir"; \
+    fi
 
 # Need protobuf source code for -I in protoc command.
 RUN mkdir golang && cd golang && git clone --depth 1 --branch $GOLANG_PROTOBUF_VERSION https://github.com/golang/protobuf.git

backend/src/cache/deployer/Dockerfile

@@ -1,11 +1,17 @@
-FROM gcr.io/google.com/cloudsdktool/google-cloud-cli:alpine
+FROM alpine
 
 RUN apk add --update \
     curl \
     jq \
     openssl
 
-RUN gcloud components install kubectl
+ RUN ARCH=$(uname -m); \
+    if [ "$ARCH" = "x86_64" ]; then \
+        ARCH="amd64"; \
+    fi \
+    && curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/${ARCH}/kubectl \
+    && chmod +x ./kubectl \
+    && mv ./kubectl /usr/local/bin/kubectl
 
 ADD backend/src/cache/deployer/* /kfp/cache/deployer/
 RUN chmod -R 777 /kfp/cache/deployer

backend/src/cache/deployer/deploy-cache-service.sh

@@ -1,3 +1,4 @@
+
 #!/bin/bash
 #
 # Copyright 2020 The Kubeflow Authors
@@ -35,11 +36,21 @@ export PATH="$HOME/bin:$PATH"
 {
     server_version_major_minor=$(kubectl version --output json | jq --raw-output '(.serverVersion.major + "." + .serverVersion.minor)' | tr -d '"+')
     stable_build_version=$(curl -s "https://storage.googleapis.com/kubernetes-release/release/stable-${server_version_major_minor}.txt")
-    kubectl_url="https://storage.googleapis.com/kubernetes-release/release/${stable_build_version}/bin/linux/amd64/kubectl"
+    if [ "$ARCH" = "amd64" ]; then
+        kubectl_url="https://storage.googleapis.com/kubernetes-release/release/${stable_build_version}/bin/linux/amd64/kubectl"
+    elif [ "$ARCH" = "s390x" ]; then #support for s390x
+        kubectl_url="https://storage.googleapis.com/kubernetes-release/release/${stable_build_version}/bin/linux/s390x/kubectl"
+    elif [ "$ARCH" = "ppc64le" ]; then # support for ppc64le
+        kubectl_url="https://storage.googleapis.com/kubernetes-release/release/${stable_build_version}/bin/linux/ppc64le/kubectl"
+    else
+        echo "Unsupported architecture: $ARCH"
+        exit 1
+    fi
     curl -L -o "$HOME/bin/kubectl" "$kubectl_url"
     chmod +x "$HOME/bin/kubectl"
 } || true
 
+
 # This should fail if there are connectivity problems
 # Gotcha: Listing all objects requires list permission,
 # but when listing a single oblect kubectl will fail if it's not found

third_party/minio/Dockerfile

@@ -23,7 +23,8 @@ RUN sh /third_party/download_source.sh </third_party/minio/repo-MPL.txt
 
 
 # Minio image
-FROM minio/minio:RELEASE.2019-08-14T20-37-41Z
+# Minio image compatible with s390x and ppc64le
+FROM minio/minio:RELEASE.2020-12-18T03-27-42Z
 
 # Copy concatenated license file
 COPY third_party/minio/license.txt /third_party/license.txt